text: The request was mentioned in the document signed by Vice Chairman of HCMC People's Committee Duong Anh Duc on May 27 to strengthen Covid - 19 prevention measures in the area?
classes:  No, the written announcement on what to do to prevent the epidemic was signed by the Vice Chairman of the HCMC People's Committee on the afternoon of May 27.  Also, the written announcement on what to do to prevent the epidemic was signed by the Vice Chairman of the HCMC People's Committee on the afternoon of May 27.  Yes, the written announcement on what to do to prevent the epidemic was signed by the Vice Chairman of the HCMC People's Committee on the afternoon of May 27.